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Pope Francis (R) and US President Barack Obama laugh as they exchange gifts during a private audience on March 27, 2014 at the Vatican. The meeting at...

Pope Francis (R) and US President Barack Obama shake hands after exchanging gifts during a private audience on March 27, 2014 at the Vatican. The meet...

Pope Francis (R) meets with US President Barack Obama during a private audience on March 27, 2014 at the Vatican. The meeting at the Vatican comes as...

Pope Francis (R) speaks with US President Barack Obama during a private audience on March 27, 2014 at the Vatican. The meeting at the Vatican comes as...

Pope Francis reaches for a child as he arrives for his weekly general audience, at the Vatican, Wednesday, March 26, 2014. (AP Photo/Andrew Medichini)

Pope Francis kisses a child as he arrives for his weekly general audience, at the Vatican, Wednesday, March 26, 2014. (AP Photo/Andrew Medichini)

Pope Francis arrives for his weekly general audience, at the Vatican, Wednesday, March 26, 2014. (AP Photo/Andrew Medichini)

Pope Francis greets the crowd as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINT...

Pope Francis greets the crowd as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINT...

Pope Francis greets the crowd as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINT...

Pope Francis kisses a child as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

Pope Francis greets the crowd as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINT...

Pope Francis greets the crowd as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINT...

Pope Francis kisses a child as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

Pope Francis looks up during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

Pope Francis greets the crowd during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

Pope Francis kisses a little girl a she arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO...

Pope Francis stands on the papamobile as he greets the crowd during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP P...

Pope Francis kisses a child as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

Pope Francis greets the crowd as he arrives for his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINT...

Pope Francis greets the crowd during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

Pope Francis greets the crowd during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

Pope Francis greets the crowd during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

Pilgrims cheer Pope Francis as he greets the crowd during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VIN...

Pilgrims cheer Pope Francis as he greets the crowd during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VIN...

Pope Francis greets the crowd during his general audience at St Peter's square on March 26, 2014 at the Vatican. AFP PHOTO / VINCENZO PINTO

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora speaks during an interview with AFP on March 26, 2014 at her residence in Dul...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora speaks during an interview with AFP on March 26, 2014 at her residence in Dul...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora speaks during an interview with AFP on March 26, 2014 at her residence in Dul...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora speaks during an interview with AFP on March 26, 2014 at her residence in Dul...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora speaks during an interview with AFP on March 26, 2014 at her residence in Dul...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora poses by a little chapel with the image of late Pope John Paul II set at the...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora (C) sits with relatives and friends at her home during an interview with AFP...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora speaks during an interview with AFP on March 26, 2014 at her residence in Dul...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora holds documents related to the life of Pope john Paul II during an interview...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora speaks during an interview with AFP on March 26, 2014 at her residence in Dul...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora stares at an image of late Pope John Paul II during an interview with AFP on...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora speaks during an interview with AFP on March 26, 2014 at her residence in Dul...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Costa Rican Floribeth Mora looks at a little chapel with the image of late Pope John Paul II set at the...

TO GO WITH AFP STORY BY MARIA ISABEL SANCHEZ Jazmin Torres (L) cries as she tells that her mother is in the same situation Floribeth Mora (C) was bef...

Mandatory Credit: Photo by AGF s.r.l./REX (3668148f) Pope Francis I Pope Francis Prays For Victims Of the Mafia, Rome, Italy - 21 Mar 2014

Mandatory Credit: Photo by AGF s.r.l./REX (3668148n) Pope Francis I during the prayer vigil Pope Francis Prays For Victims Of the Mafia, Rome, Italy...

Mandatory Credit: Photo by AGF s.r.l./REX (3661507a) Pope Francis I Papal Public Audience, St. Peter's Square, The Vatican, Rome, Italy - 19 Mar 201...

Mandatory Credit: Photo by AGF s.r.l./REX (3661507f) Pope Francis I Papal Public Audience, St. Peter's Square, The Vatican, Rome, Italy - 19 Mar 201...

Mandatory Credit: Photo by AGF s.r.l./REX (3661507h) Pope Francis I Papal Public Audience, St. Peter's Square, The Vatican, Rome, Italy - 19 Mar 201...

Mandatory Credit: Photo by AGF s.r.l./REX (3661507i) Pope Francis I Papal Public Audience, St. Peter's Square, The Vatican, Rome, Italy - 19 Mar 201...

Pope Francis blesses the crowd as he arrives in St. Peter's Square at the Vatican for his weekly general audience, Wednesday, March 19, 2014. (AP Phot...

Pope Francis blesses the crowd as he arrives in St. Peter's Square at the Vatican for his weekly general audience, Wednesday, March 19, 2014. (AP Phot...

Pope Francis wears a cap he was offered as he arrives in St. Peter's Square at the Vatican for his weekly general audience, Wednesday, March 19, 2014....

Pope Francis blesses the crowd as he arrives in St. Peter's Square at the Vatican for his weekly general audience, Wednesday, March 19, 2014. (AP Phot...